/Engine/Source/Runtime/MediaUtils/Public/MediaSamples.h
FMediaSamples ( uint32 InMaxNumberOfQueuedAudioSamples, uint32 InMaxNumberOfQueuedVideoSamples, uint32 InMaxNumberOfQueuedCaptionSamples, uint32 InMaxNumberOfQueuedSubtitlesSamples, uint32 InMaxNumberOfQueuedMetaDataSamples )